package W1030;

public class Test02 {
	public static void main(String args[]) {
		  int a=1,b=2,c=3;
		    if(a<0)
		        if(b<0)
		            c=10;
		        else
		            c=20;
		    System.out.println(c);  
		    sb.append("stringbuffer2");
		}}

	